Three-dimensional adaptive optics ultrahigh-resolution optical coherence tomography using a liquid crystal spatial light modulator

A liquid crystal programmable phase modulator (PPM) is used as correcting device in an adaptive optics system for three-dimensional ultrahigh-resolution optical coherence tomography (UHR OCT). The feasibility of the PPM to correct high order aberrations even when using polychromatic light is studied...

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Bibliographic Details
Published in:Vision research (Oxford) 2005-12, Vol.45 (28), p.3432-3444
Main Authors: Fernández, Enrique J., Považay, Boris, Hermann, Boris, Unterhuber, Angelika, Sattmann, Harald, Prieto, Pedro M., Leitgeb, Rainer, Ahnelt, Peter, Artal, Pablo, Drexler, Wolfgang
Format: Article
Language:English
Subjects:
Adaptive optics
Humans
Imaging, Three-Dimensional - instrumentation
Imaging, Three-Dimensional - methods
Liquid Crystals
Optical coherence tomography
Optics and Photonics
Photoreceptors
Retina - anatomy & histology
Three-dimensional retinal imaging
Tomography, Optical Coherence - instrumentation
Tomography, Optical Coherence - methods
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Summary:A liquid crystal programmable phase modulator (PPM) is used as correcting device in an adaptive optics system for three-dimensional ultrahigh-resolution optical coherence tomography (UHR OCT). The feasibility of the PPM to correct high order aberrations even when using polychromatic light is studied, showing potential for future clinical use. Volumetric UHR OCT of the living retina, obtained with up 25,000 A-scans/s and high resolution enables visualization of retinal features that might correspond to groups of terminal bars of photoreceptors at the external limiting membrane.
ISSN:0042-6989
1878-5646
DOI:10.1016/j.visres.2005.08.028